图4 -16示出6485型皮安计从离子收集电极测量电流的情况，这时仪器工作在地电位。
Figure 4-16 shows a Model 6485 Picoammeter measuring the current from the ion collector, which is operating at ground potential.
在电磁能量的返回方式，测量对象与探测结果的表示形式方面，与典型大地电磁法进行了比较。
Ther are some differences in the returnable behaviour of electromagnetic energy, the measuring objectivs and the expression of the detecting results when compared with the MT method.
该测量方法的提出彻底解决了传统绝缘参数间接测量法只能测量电网对地阻抗近似代替对地电容的缺陷。
This presented method thoroughly gets over a gap that foregone indirect methods can only measure insulation impedance to substitute distributing capacitance.
文章提出了通过测量绝缘子接地电流来检测复合绝缘子表面污秽程度的方法。
The paper presented the method to detect the pollution degree of composite insulator surface by measuring its grounding current.
介绍了井—地电位测量技术方法原理，重点分析了井—地电位测量数据成像处理方法和在新疆油田五1区的应用。
This paper addresses the theory of well-ground potential measurement, with emphasis on data image processing and its application in Wu1 Block of Xinjiang Oilfield.
接地电阻测量是接地施工中的一个重要环节。
Measurement of the grounding resistance is an important tache in grounding construction.
本文介绍了一个在77- 800k范围可变温度下进行离子注入和就地电学测量的靶室。
A target chamber for ion implantation and in-situ electrical measurement at temperatures variable between 77-800k is presented.
电力系统冲击接地电阻的测量是关系到电力系统稳定运行和电气设备安全的重要问题。
The measurement of grounding resistance under impulse voltage is of great importance for safe operation of power system and electronic equipment.
简述了低压用电设备保护接地的意义，保护接地范围，以及测量接地电阻的方法。
In this paper, the significance and area of low voltage grounding protection are described and some methods for measuring grounding resistance are introduced.
采用新的测量原理，提出了可同时对谐振接地电力网脱谐度和电容电流进行实时测量的新方法。
A new method is proposed to measure the tuning-off degree and the capacitive current of resonance grounding power networks based on a new measuring principle.
介绍了钳形接地电阻测试仪的测试原理，即在测量时必须要有一个供电流流过的有效的闭合回路。
It describes the measure principle of the clamp grounded resister tester, that is, a effective close loop for current flow is necessary when doing the test.
提出一种仅用万用表和标准电阻就可以准确测量出直流母线和支路负荷正对地电阻、负对地电阻的新测量方法，这种方法能准确查找绝缘低故障支路；
This paper describes a new method by which the positive, negative resistance to ground of DC bus and branch could be tested precisely by mere use of universal instruments and standard resistors.
针对目前的接地电阻测量方法的缺点，提出了以计算机辅助分析为基础的短电流极引线测量方法，并对电流引线长度的选取作了分析。
With a view to the deficiency of grounding resistance measurement at present, a new method with short current-electrode wire based on computer auxiliary analysis is presented.
分析了布极方式对稳态接地电阻测量带来的测量误差，提出了多电极法的新型布极方式。
This paper present a new electrode arrangement by analyzing errors in grounding resistance measurement under steady voltage.
该平坦段可能会被误认为对应于真实接地电阻的补偿点位置，导致测量结果出现巨大误差。
This fl at region would be misidentified as the compensation point of potential electrode corresponding to the actual grounding resistance of substation, and bring huge error.
从接地电阻的测量原理出发，讨论了采用短电流极引线测量地网接地电阻的可行性。
With the principle of measuring resistance, the paper carries through the theory analysis about possibility of measurement method with short electrode wire.
分析自动跟踪补偿消弧线圈接地电网的零序测量电流分布规律。
The zero-sequence measurement current's distribution in the automatic arc-suppressing coil earthed power system is analyzed.
文中介绍智能式电容耦合测试系统，该系统能自动测量电缆的工作电容、电容耦合和对地电容不平衡。
A intelligent capacitance-coupling testing system is introduced in this paper. It tests mutual capacitance, capacitance unbalance - pair - to - Ground and capacitance - coupling automatically.
并就地电化法和热释汞测量法在寻找隐伏铀矿体方面的应用进行探讨。
The initial study achievements on looking for hidden uranium deposits by the earth current chemistry and thermomercury survey methods are investigated.
相对于陆上同类测量而言，海底大地电磁探测成本高，作业难度大，且不易实施数据采集的重复观测。
Compared with continental operation, there are higher risk and expenses in detecting and more difficult in acquisition repeatedly on the marine magnetotellurics.
但这种方法只适用于均匀土壤接地电阻的测量。
表面电阻测试仪是一种测试物体表面电阻率和对地电阻的仪器，可进行简单可重复的导电性能、静电耗散、绝缘表面性能的测量。
This compact meter measures both surface resistivity and resistance to ground. It is giving simple repeatable measurement of conductive static dissipative and insulative surface.
介绍了变频法测量接地电阻的原理、接地电阻变频测量仪的结构、数据处理方法和实测结果。
This paper introduces the principle of frequency changing method of grounding resistance measurement, the structure of frequency conversion measurement apparatus and data process method.
此方案成功地应用于变电站接地电阻测量变频电源控制电路中。
This project is applied to the control circuit of the frequency converter power source of for measuring ground resistance in an electric substation.
浮地测量是抑制地电位差或共模电压的一种高精度测量。
Floating measurements are one of high precision measurements with suppressing differences between grounds or common mode Voltages.
海底大地电磁仪为满足上述要求，其内部配备了高精度时钟源、姿态检测器件以及与海底电磁信息采集相关的自动信号测量与存储电路。
In order to solve the problems above, the high-precision clock, detecting posture device and automatic measurement circuit are equipped in Marine magnetotelluric instrument.
比较分析了几种直流系统常用的绝缘检测方法，采用乒乓式变电桥测量法，实现了接地电阻的准确在线测量。
The insulation methods of several DC systems are compared and analysed. A ping-pang variable bridge measurement is adopted. The ex - act on line detection of grounding resistance is realized.
如何有效地判断系统接地故障后运行方式的变化以及如何有效地测量与之对应的对地电容是目前没有解决的问题。
The solution has not been found how to judge the resonant state during the single-phase grounding existing on-line.
在此基础上，选择了对地电容电流测量的注入变频信号法，该测量方法具有测量误差小、实时性良好、安全可靠的特点。
On the basis of this, injecting frequency conversion signal method on measuring capacitive current is selected to use here. It is reliable and its error is small, timeliness is good.
介绍了两种大地电磁阻抗测量方法，即变频法与DFT分析法。
Two methods of the magnetotelluric impedance measurement are provided in this paper. That is, frequency conversion and DFT.
应用推荐